CIFS: Rename *UCS* functions to *UTF16*

to reflect the unicode encoding used by CIFS protocol.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@samba.org>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index a090bbe..e2bbc68 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -647,10 +647,11 @@
 
 		name.name = scratch_buf;
 		name.len =
-			cifs_from_ucs2((char *)name.name, (__le16 *)de.name,
-				       UNICODE_NAME_MAX,
-				       min(de.namelen, (size_t)max_len), nlt,
-				       cifs_sb->mnt_cifs_flags &
+			cifs_from_utf16((char *)name.name, (__le16 *)de.name,
+					UNICODE_NAME_MAX,
+					min_t(size_t, de.namelen,
+					      (size_t)max_len), nlt,
+					cifs_sb->mnt_cifs_flags &
 						CIFS_MOUNT_MAP_SPECIAL_CHR);
 		name.len -= nls_nullsize(nlt);
 	} else {